CHEMISTRY 101 LECTURE NOTES4.Give one example (atomic symbol and name) for each of the following. a.a main-group (representative) element in the second period b. an alkalimetal c. a transition element in the fourth-period d. a lanthanide element5. Write the formula for the compound of each of the following pairs of ions.a. Fe and CN b. K' and SO,² c. Li' and N³ d. Ca²² and P e. NH, andPO,6.The following table gives numbers of electrons, protons, and neutrons inatoms or ions of a number of elements. Answer the following: (a) Whichof the species are neutral? (b) Which are negatively charged? (c) Whichare positively charged? (d) What are the conventional symbols for all thespecies?Atom or lonof ElenmentBNumber of electrons101828Number of protonsNumber of neutrons365.フ1930352036467. Consider a hypothetical case in which the charge on a proton is twicethat of an electron. Using this hypothetical case, and the fact that atomsmaintain a charge of 0, how many protons, neutrons, and electronswould a potassium-39 atom contain?8. Fill in the blanks in the following table:SymbolFeProtonsフリ86Neutrons16I17136Electrons1879Net charge9. Identify each of the following elements: (a) a halogen whose anioncontains 36 electrons, (b) a radioactive noble gas with 86 protons, (c) aGroup 6A element whose anion contains 36 electrons, (d) an alkali metalcation that contains 36 electrons, (e) a Group 4A cation that contains 80electrons.For each of the following pairs of ions, write the formula of thecorresponding compound.c. Na and Co,10.a. Co2 and Nb. NH, and PO.d. Fe and OHSHOT ON MI9TAl TRIPLE CAMERA©2021SMPU-Chem. 101 Sec. 3 & 4-Sem. II 20/2110CHECobalt(II) chheating andcobalt(II) s12.Wri

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Give one example (atomic symbol and name) for each of the following. a. a main-group (representative) element in the second period b. an alkali metal c. a transition element in the fourth-period d. a lanthanide element

Give one example (atomic symbol and name) for each of the following. a. a main-group (representative) element in the second period b. an alkali metal c. a transition element in the fourth-period d. a lanthanide element

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

CHEMISTRY 101 LECTURE NOTES
4.
Give one example (atomic symbol and name) for each of the following. a.
a main-group (representative) element in the second period b. an alkali
metal c. a transition element in the fourth-period d. a lanthanide element
5. Write the formula for the compound of each of the following pairs of ions.
a. Fe and CN b. K' and SO,² c. Li' and N³ d. Ca²² and P e. NH, and
PO,
6.
The following table gives numbers of electrons, protons, and neutrons in
atoms or ions of a number of elements. Answer the following: (a) Which
of the species are neutral? (b) Which are negatively charged? (c) Which
are positively charged? (d) What are the conventional symbols for all the
species?
Atom or lon
of Elenment
B
Number of electrons
10
18
28
Number of protons
Number of neutrons
36
5.
フ
19
30
35
20
36
46
7. Consider a hypothetical case in which the charge on a proton is twice
that of an electron. Using this hypothetical case, and the fact that atoms
maintain a charge of 0, how many protons, neutrons, and electrons
would a potassium-39 atom contain?
8. Fill in the blanks in the following table:
Symbol
Fe
Protons
フリ
86
Neutrons
16
I17
136
Electrons
18
79
Net charge
9. Identify each of the following elements: (a) a halogen whose anion
contains 36 electrons, (b) a radioactive noble gas with 86 protons, (c) a
Group 6A element whose anion contains 36 electrons, (d) an alkali metal
cation that contains 36 electrons, (e) a Group 4A cation that contains 80
electrons.
For each of the following pairs of ions, write the formula of the
corresponding compound.
c. Na and Co,
10.
a. Co2 and N
b. NH, and PO.
d. Fe and OH
SHOT ON MI9T
Al TRIPLE CAMERA
©2021
SMPU-Chem. 101 Sec. 3 & 4-Sem. II 20/21
10
CHE
Cobalt(II) ch
heating and
cobalt(II) s
12.
Wri

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